rowlock
nounUK /ˈrɒlək/
US /ˈroʊlək/
A rowlock is a small holder on the side of a boat that keeps an oar in place.
He lifted the oar out of the rowlock and rested it across the boat.
OTHER MEANINGS
2. A rowlock can also mean a particular way of laying bricks so that the short end faces outward.
The garden wall was built with a rowlock course along the top.
3. In architecture, a rowlock is a brick laid on its end with the short face showing.
The builder used rowlocks to finish the edge of the wall neatly.
4. A rowlock may refer to a small opening or notch in a boat's side for an oar.
Water splashed through the rowlock as the oars dipped into the river.